power factor improvement methods ppt ....etc

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Voltage Stability Improvement using Static Var Compensator in Power Systems

Abstract This paper investigates the effects of Static Var Compensator (SVC) on voltage stability of a power system. The functional structure for SVC built with a Thyristor Controlled Reactor (TCR) and its model are described. The model is based on representing the controller as variable impedance that changes with the firing angle of the TCR. A Power System Computer Aided Design /Electromagnetic Transients including DC (PSCAD/EMTDC) is used to ....etc

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1.The dynamic viscosity of most of the gases______________with rise in temperature.
(A)Increases(B) Decreases
(C ) Does not change significantly (D) None of these

2.)Buoyant force is___________.
(A)Resultant of up thrust and gravity forces acting on the body
(B)Resultant force on the body due to the fluid surrounding it
(C )Equal to the volume of liquid displaced by the body
(D)Resultant of static weight of body and dynamic thrust of liquid

3.)The type of flow in which the velocity of every particle varies from ....etc

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VETIVER SYSTEM FOR WATER QUALITY IMPROVEMENT



INTRODUCTION
Fresh water scarcity is predicted to become the greatest single threat to international stability, human health, global food supply .
According to the World Resources Institute, within 25 years, more than half of the world population will be suffering severe fresh water shortages.


Application of the Vetiver System for wastewater treatment is a new and innovative technology, which has the potential to meet the global water crisis.
It is a natural, ....etc

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GROUND IMPROVEMENT TECHNIQUES FOR HIGHWAYS

INTRODUCTION
Transportation - needed for the development of the country.
The main mode of transportation is by road or highways.
In the process of road development, the alignment of road may have to be fixed through the soils which may not bear the traffic loads .
There are various techniques of ground improvement.

METHODS FOR GROUND IMPROVEMENT
Soil stabilization
Vertical drains
Stabilization trenches
Capillary cut-off
Soil nailing
Stone columns
Vib ....etc

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power factor,its consequences.and improvement
....etc

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IMPROVEMENT OF MECHANICAL PROPERTIES OF RIGID PAVEMENTS

INTRODUCTION
Transportation-basic infrastructure-development

Rigid and flexible

Basic neccesity-stable against loads

Rigid offers more strength “load

But change in temp. “warping up and warping down

To relieve stress-joint

Joint from the weaker plane and most of defects occur there

Increase the mechanical properties such as load carrying capacity and cracking resistance

Methods for improvement



Rigid Pav ....etc

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IMPROVEMENT OF THERMAL EFFICIENCY BY RECOVERY OF HEAT FROM IC ENGINE EXHAUST
(THERMAL SCIENCES)
CONTENTS:
1. ABSTRACT
2. INTRODUCTION
3. PRINCIPLE OF HEAT RECOVERY FROM IC ENGINE
4. NECESSITY OF THERMAL STORAGE SYSTEM
5. LATENT HEAT THERMAL STORAGE SYSTEM
6. EXPERIMENTAL SETUP
7. RESULTS AND DISSCUSSIONS
8. PERFORMANCE CHARACTERISTICS STUDY
9. CONCLUSION
IMPROVEMENT OF THERMAL EFFICIENCY BY RECOVERY OF HEAT FROM IC ENGINE EXHAUST
ABSTRACT
The steady increased consumption of fuel and power over the years have ....etc

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Improvement of bearing capacity of sandy soil by grouting ....etc

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SYNOPSIS
Wire Electric Discharge Machining(WEDM) is one of the most important non-traditional machining process.Taguchi method is supplemented with various supportive techniques such as fuzzy logic, grey-relational analysis,two-phase parameter design, artificial neural network(ANN) and various combination methods to incorporate material removal rate(MRR) and surface roughness(SR)simultaneously .Particle Swarm Optimization(PSO)& Memetic Algorithm(MA) based optimization procedures have been developed to o ....etc

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